An information-communication terminal device maintaining a low cost of a charger in the case of backup for the device at a charging time, having a high performance security at the backup and allowing users to easily handle the security control after the backup. A charger (107) in the information communication terminal device is charged electric power from a charger (3). An access-release demanding section (105) receives ID data from the charger (3) during the charging time, and demands to release access control to an IC-card-function installed memory card (2). After the IC card-function installed memory card (2) releases the access control, a control section (101) carries out the backup or restore to the IC card-function installed memory card (2).